5 Open-source and Free Operating Systems to Donate via Kivach | HackerNoon
Briefly

OpenBSD, launched in 1996, focuses on security and correctness, providing a free, Unix-like experience that thrives in desktop and server environments. Its emphasis on secure coding practices and proactive protection measures makes it a go-to OS for security-focused applications.
Known for its significant contributions to secure communication, OpenBSD's OpenSSH software is used globally, underscoring the system’s influence in network security. Its features, including robust cryptographic tools and a carefully designed firewall, enhance both its performance and security.
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